yep,all the tricks in the book are applied :) still fails. but we solved it
with another shader and ofcourse some longer render times:)

beer next week per?

/s


On Fri, Feb 15, 2013 at 12:15 PM, Per Bergstén <[email protected]>wrote:

> Anisotropic uv set to *none* in the arch shader?
> Can cause weird reflections sometimes.
>
> per
>
>
> 2013/2/15 Stephan Hempel <[email protected]>
>
>> It seems like the infamous burned highlights problem which occurs when
>> you are lighting with IBL and normal lights.
>>
>> When you are using the already mentioned Advanced MIA material you
>> have to activate "Clamp Maximum for HDR rendering" at the bottom of
>> the Optimization Tab and set to something reasonable like 1.2 or so.
>> So the highlights are clamped and don't burn out.
>>
>> Another option is to tweak the "Highlight vs Reflection Balance" on
>> the Additional Options Tab and set it to a very low value like 0.1 or
>> less.
>>
>> Generally it's a good idea to deactive the specular contribution off
>> the lights if your lighting with IBL.
>>
>> Cheers,
>> Stephan.
>>
>>
>


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